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Flashcards in Transformations Deck (13)
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1
Q

How many transformations are there?

A

4

2
Q

What are the 4 different transformations?

A

Reflection
Translation
Rotation
Enlargements

3
Q

What is the original shape called?

A

Object

4
Q

What is the transformed shaped called

A

Image

5
Q

What are the 3 pieces of information needed for a rotation?

A
  • Size of rotation (90°)
  • Direction ( clockwise or anticlockwise)
  • Centre of rotation ( around the point (0,0) )
6
Q

What are quadrants?

A

The 4 squares on the grid

7
Q

Name the 4 quadrants.

A
1 =  + +
2 = - +
3 = - -
4 = + -
8
Q

What are translations?

A

means to slide a shape on a grid. The image is identical to the object

9
Q

What is

4/-2

A

A translation vector

10
Q

What does (4/-2) mean?

A

Move 4 squares to the right
and
Move 2 squares to the down

11
Q

Whats an easy way to remember what the translation vectors mean?

A

− → +
+

-

12
Q

Whats a scale factor?

A

New/old

13
Q

How do you enlarge a shape when you have the scale factor?

A
Height x (scale factor)
Length x (scale factor)